grouper: update prebuilt kernel

a856260 Revert "mmc: card: Bypass discard for Hynix and Kingston"

Bug: 8056794

Change-Id: Iee5ce9ed5e83c1b808b3a510964c821c7cf668cf
Signed-off-by: Ken Sumrall <ksumrall@android.com>
diff --git a/kernel b/kernel
index 7cff08c..6f871e1 100755
--- a/kernel
+++ b/kernel
Binary files differ